ADK TT-67 Details Class A (Discrete) 9 Polar-Pattern Tube (Valve) Condenser Microphone with Australian-Designed GK12 from the Custom Shop "Capsule-Bank". Based on ADK's Original TT Chassis, this totally Customized Product can be built "One-Off" for each client based on one's preference for Historical, Vintage Curves - Microphone Response Characteristics.
ADK TT-67 Specifications
TYPE:Class A Valve (Tube) Condenser Pressure Gradient Mic with Dual 1" Six Micron Diaphragms with Dedicated Turbo-Tube Power Supply and Remote Polar Pattern Controller.
POLAR PATTERN:9 Polar Patterns Including Omni, Cardioid, Figure 8 and Six Intermediate Positions
SENSITIVITY:14mV/Pa = -37dBV (0 dBV = 1v/Pa)
FREQUENCY RANGE:20 to 20k Hz
IMPEDANCE:<250 Ohms
RECOMMENDED LOAD IMPEDANCE:1000 ohms
MAX. SPL for 1% THD @1000Hz:125dB
EQUIVALENT NOISE LEVEL:IEC 286-4 (A Weighted) 15 dB Typical